Add test programs

hw/efinix_fpga/test_programs/Makefile

@@ -0,0 +1,12 @@
+TARGETS=stacktest runram
+
+all: $(TARGETS)
+
+$(TARGETS):
+	cl65 --cpu 65c02 -C link.ld -l $@.list $@.s
+	xxd -ps $@ | fold -w 2 > $@.hex
+
+clean:
+	rm $(TARGETS)
+	rm *.hex
+	rm *.list

hw/efinix_fpga/test_programs/link.ld

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+MEMORY
+{
+  ZP:  start = $0,    size = $100,  type = rw, define = yes;
+  SDRAM: start = $200, size = $ff00, type = rw, define = yes;
+  ROM: start = $ff00, size = $100, file = %O;
+}
+
+SEGMENTS {
+    ZEROPAGE: load = ZP,  type = zp,  define   = yes;
+    CODE:     load = ROM, type = ro;
+    RODATA:   load = ROM, type = ro;
+    VECTORS:  load = ROM, type = ro,  start    = $FFFA;
+}
+
+FEATURES {
+    CONDES:    segment = STARTUP,
+               type    = constructor,
+               label   = __CONSTRUCTOR_TABLE__,
+               count   = __CONSTRUCTOR_COUNT__;
+    CONDES:    segment = STARTUP,
+               type    = destructor,
+               label   = __DESTRUCTOR_TABLE__,
+               count   = __DESTRUCTOR_COUNT__;
+}
+
+SYMBOLS {
+    # Define the stack size for the application
+    __STACKSIZE__:  value = $0200, type = weak;
+    __STACKSTART__: type = weak, value = $0800; # 2k stack
+}

hw/efinix_fpga/test_programs/runram.s

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+.code
+
+loadaddr = $1000
+
+
+main:	
+        ldx #(loadend-loadstart)
+loadloop:
+        lda loadstart,x
+        sta loadaddr,x
+        dex
+        bpl loadloop
+
+        jsr loadaddr
+
+end:	bra end
+
+
+loadstart:
+
+stacktest:
+		lda #$55
+		pha
+		lda #$00
+		pla
+		sta $efff
+		rts
+
+loadend:
+
+
+.segment "VECTORS"
+
+.addr main
+.addr main
+.addr main

hw/efinix_fpga/test_programs/stacktest.s

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+.code
+
+
+main:	lda #$ff
+		jsr stacktest
+end:	bra end
+
+
+
+stacktest:
+		lda #$55
+		pha
+		lda #$00
+		pla
+		sta $efff
+		rts
+
+
+.segment "VECTORS"
+
+.addr main
+.addr main
+.addr main